Robert Frost once said, “The brain is a wonderful organ; it starts working the moment you get up in the morning and does not stop until you get into the office.” He certainly wasn’t thinking about Type A people when he said that. They barrel into the office like they’re racing for a pot of gold, and they never seem to lose momentum. It’s as if they’re driven by a motor that never shuts off.

We each have our own understanding of what it means to have a Type A personality, but what does this term really mean and where did it come from? It actually started in a waiting room shared by a pair of cardiologists. The doctors noticed that their chairs didn’t have wear on the backs as expected -- the wear was only visible on the front edge of the seats and the armrests, suggesting that patients were literally waiting on the edge of their seats, ready to jump up the second their names were called.

So, the cardiologists -- Doctors Friedman and Rosenman -- wanted to find out if the strange wear pattern on their chairs was because impatient people are more prone to heart disease. They discovered that their hunch was correct. They also found that people’s personalities tend to lean in one of two directions, which they labeled Type A and Type B.

Most think of Type A people as driven and highly strung and Type B people as carefree and even-keeled, but there’s so much more to it. Type As, in particular, are often misunderstood, as we just don’t understand the motivation behind their behavior.

To fully grasp what it means to be Type A, you need to hear it from the horse’s mouth. Don’t take my word for it -- let’s see what they have to say:

12 Things Every 'Type A' Person Wants You To Know

1. So, the cardiologists -- Doctors Friedman and Rosenman

So, the cardiologists -- Doctors Friedman and Rosenman -- wanted to find out if the strange wear pattern on their chairs was because impatient people are more prone to heart disease. They discovered that their hunch was correct. They also found that people’s personalities tend to lean in one of two directions, which they labeled Type A and Type B.

Most think of Type A people as driven and highly strung and Type B people as carefree and even-keeled, but there’s so much more to it. Type As, in particular, are often misunderstood, as we just don’t understand the motivation behind their behavior.

To fully grasp what it means to be Type A, you need to hear it from the horse’s mouth. Don’t take my word for it -- let’s see what they have to say:

12 Things Every 'Type A' Person Wants You To Know

2. We believe that winning is the only option

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We’re really hard on ourselves. Our desire to do our best often morphs into a desire to be the best. After all, if someone else does something better than us, then we mustn’t have been trying hard enough, right? This ensures that even the most mundane activities become a competition.

12 Things Every 'Type A' Person Wants You To Know

3. We live and die by our goals

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We don’t do anything “just because.” There’s an end aim for everything. That morning cup of coffee? The goal is to wake up. Half an hour of Pokémon Go at lunch? It’s about squeezing in some exercise and capturing more Pokémon than our friend down the hall. Heaven help anyone who slows us down or gets in our way. We’re nothing if we don’t reach our goals.

12 Things Every 'Type A' Person Wants You To Know

5. We squeeze something into every possible moment

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It may seem hypocritical that we’re sometimes late even though the rest of the time we’re impatiently drumming our fingers, waiting for meetings to start on time. The problem is that we try to squeeze a task into every possible minute, and sometimes we overdo it. In our determination to avoid downtime, we sometimes inadvertently create downtime for other people.

12 Things Every 'Type A' Person Wants You To Know

6. We want you to get to the point

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Skip the long preamble; if we have questions, we’ll ask. There’s no need to waste time on the setup when you have something important to tell us -- just tell us. The theme here is efficiency; we’re interested in hearing the main points so we can begin taking action.

12 Things Every 'Type A' Person Wants You To Know

7. We hate to wait

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We don’t hate being stuck at a red light or cooling our heels in a doctor’s waiting room because we think we’re too good to wait. We just like to be efficient with our time and don’t like things getting in our way. Every minute spent waiting is a minute we could have spent doing something productive. It’s a minute that we’ll never get back.

12 Things Every 'Type A' Person Wants You To Know

8. We’re conscientious

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Like “later,” “good enough” isn’t part of our vocabulary. Things are either right or they’re wrong. And they always, always have to be right. No matter what we’re doing, we care too much to settle for mediocrity.

12 Things Every 'Type A' Person Wants You To Know

10. We have a tough time relaxing

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Relaxation isn’t a measurable goal, and it feels like a waste of time when nothing is getting done. It’s very difficult for us to sit around and “just be”; instead, we prefer to be actively “becoming” whatever lies at the end of our current ambition. Anything else amounts to lost time.

12 Things Every 'Type A' Person Wants You To Know

11. We have an unrealistic sense of urgency

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From our perspective, “now” is the only time that exists. There’s no sense in putting something off till another time. While that’s often a good thing, we tend to give trivial issues a greater sense of urgency than they deserve.

12 Things Every 'Type A' Person Wants You To Know

12. We follow a schedule

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Our time is carefully orchestrated so that each day we accomplish what we intended. Again like “later,” “whenever” isn’t part of our vocabulary. Everything gets scheduled and added to lists, and we take great satisfaction in ticking all the boxes.

12 Things Every 'Type A' Person Wants You To Know

13. We’re restless

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Our motors are always running, so when we have to idle, that excess energy manifests in various nervous habits, such as fidgeting or biting our nails. Don’t worry, we’re not freaking out. This is normal behavior for us.

12 Things Every 'Type A' Person Wants You To Know

14. Bringing It All Together

We know that we can be awfully hard on everybody, but we’re even harder on ourselves. This may be difficult to see because no one else is privy to the perfectionist that’s goading or berating our every move inside our heads. Just know this: We care --we care a lot -- and we really are sorry if our personality makes us hard to get along with sometimes.